THE BEYMA PRO8Q300ND  HAS A TIGHT SMOOTH BASS WITH NICE EXTNEDED MIDS THAT SOUND VERY NATURAL!
THE NEW BEYMA PRO8Q300ND 8" MID-BASS SPEAKER HANDLES 300 WATTS AES & 600 WATTS PROGRAM POWER HANDLING
FEATURES A LIGHTWEIGHT NEODYMIUM MAGNET, 2.5" VOICE COIL, WIDE FREQUENCY RANGE FROM 70HZ TO 7.0KHZ &  A HIGH XMAX OF 6MM FOR POWERFUL CLEAN BASS
TIGHT SOUNDING BASS WITH CLEAN NATURAL MIDRANGE UP TO 7KHZ
WATERPROOF CARBON FIBER LOADED PAPER CONE WITH A SANTOPRENE SURROUND & CONEX SPIDER FOR INCREASED STRENGTH
DEMODULATION RING FOR LOW HARMONIC DISTORTION & PEAK TO PEAK X DAMAGE OF 23MM
WORKS REALLY IN 2 OR 3-WAY SPEAKER CABINETS FOR HI-FI/STUDIO/PA OR IN MOTORCYCLE BAGS
AVAILABLE IN 4 OHMS ONLY
 
Specifications
Nominal Basket Diameter
8"
Impedance
4 ohms
AES Power Rating
300 Watts
Program Power 
600 Watts
Frequency Response
70Hz - 7.0kHz
Sensitivity (1W/1m)
94dB
Voice Coil Diameter
2.5" / 62.4mm
Voice Coil Length
14.5 mm
Air Gap Height
7 mm
X Damage (peak to peak)
23 mm
BL Factor
10.3 N/A
Mounting Information
Overall Diameter
8.33" / 211.5mm
Bolt Circle Diameter
7.8" / 198mm
Baffle Cutout Diameter
7.1" / 181mm
No. Of Mounting Holes
8
Overall Depth
3.8" / 96mm
Net Weight
5.1 lb. / 2.3 kg.
Shipping Weight
5.5 lb. / 2.5 kg.
Materials
Basket
Die-Cast Aluminum
Cone
Carbon Fiber / Paper
Spider
Conex
Surround
Santoprene
Voice Coil
Aluminum Wire
Former
Fiber Glass
Metal Parts
Anti-Corrosion
Magnet
Neodymium
Thiele-Small Parameters
Resonant Frequency (fs)
65 Hz
Impedance (Re)
3.4 ohms
Coil Inductance (Le)
.2 mH
Mechanical Q (Qms)
17.8
Electrical Factor (Qes)
.34
Total Q (Qts)
.33
Comp. Equivelant Vol. (Vas)
.88 ft3 / 16 Liters
Voice Coil Overhang (Xmax)
6.0 mm
Moving Mass (Mms)
26 Grams
Surface Area of Cone (Sd)
0.0220m2
Reference Efficiency
1.2%
Displacement Volume (Vd)
132 cm3